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Finding the Fourth Proportional to 411.16, 567.41 and 236.50

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Solution

The fourth proportional to 411.16, 567.41 and 236.50 is: 326.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.16 : 567.41 = 236.50 : x
  2. Step 2: Convert to fraction form
    411.16/567.41 = 236.50/x
  3. Step 3: Cross multiply
    411.16x = 567.41 × 236.50
  4. Step 4: Simplify right side
    411.16x = 134,192.47
  5. Step 5: Solve for x
    x = 134,192.47/411.16
  6. Step 6: Final answer
    x = 326.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.